Lock.



2 SHEETS-SHEET 1.

H m P N. WAING.

LOCK.

APPLl CATION FILED NOV. 27, 19H.

N. WAING.

LOCK.

APPLICATION FILED NOV. 27.1917

Patented Oct. 1, 1918,

2 SHEETSSHEET 2.

5] wvewtoz M /whim m NIKOLAUS wame, or'NEw YORK, N. Y.,' ASSIGNQR, BY manor AND Mnsnr. ASSIGN- MENTS, T0 CANTOPEN LOCK CQRPORATION, INCL, OF NEW-YORK, N. Y., A COBPO t:

TION OF NEW YORK.

To allwhom it may concern: i

Be it known that I, NIKOLAUS WAING, a citizen of the United States, residing at New York, in the county of New York and State of New York,'have invented new and useful Improvements in Locks, of which the following is a specification.

This invention relates to looks, and one of the main objects of the sameis the provision of asafety lock so arranged that none of the screws or other means by which it is assembled are exposed'to View when the door or like object to which the'lock may be attached, is closed, there being also in view' the provision of a lock of this kind, which has a tongue or a sliding bolt combined with a pair of auxiliary bolts whereby to revent it from being picked.

nother object of the invention is theprovision of a lock of this character so arranged that it may employ a revolving barrel for the operation of the key to safeguard against picking through the key-hole.

Another ob ect of this invention is the provision of a lock which is simple in construction, havin very few parts, which can be readil assem led without the exercise of any special skill, which is comparatively inexpensive to manufacture, and which is effective in operation.

These and other objects, which will become more manifest as the description progresses, are obtained by the novel construction, arrangement and combination of parts hereinafter described and shown in the accompanying drawings, forming a material part of th1s specification, and in wh1ch':- Figure 1 is a view in vertical elevation of a lock made in accordance with my invention, showing the parts in unlocked position, the cover part'of the casing being removed, arts being shown in section, and parts being broken away.

Fig. 2 is a similar view showing the position of the elements when in locked position, the cover part of 'thecasing also being removed. H

Fig. 3 is a sectional view, taken approximately on line 3-3 of Fig. 1."

Fig. 4 is a view in perspective of the tumbler.

Fig. 5 is a similar view of the sliding bolt. Fig. 6 is a view in perspective of a frag- Went of the inclosing-box portion of the Specification ofLetters Patent.

is rigidly secured LOCK.

Patented oat. i. iais.

Application filed November 27, 1917. Serial No. 204,189.

casing, illustrating in particular the formatlon and the relation of the stops and guides for the sliding bolt, and 'also for the tumbler.

Fig. 7- is a similar .view of an auxiliary bolt showing its parts detached, butin .proper relative relation.

With. more particular reference to the accompanying drawings, the casing consists of the base-plate or inclosing-box 10, formed integral with the side members 11 on three sides, and which are of uniform width, the

fourth side consisting of afrontal member 12, which is wider than the other sides, and

which has suitable inwardly projecting lugs as 13 whereby, by means of screws as 14, it to the base-plate 10. The casing s completed byapplying a cover 15 of the same size as the base-plate 10 to the sides 11, and against the frontal-member 12. In order to secure this cover rigidly with the base-plate, I prefer to makethe latter with integral stucs as 16 and '17, each having a threaded eye to receive screws which are countersunk in the proper position of the cover.

The frontal member 12 is provided with reception of a w an opening 18 for the slidin tongueor sliding bolt, the etailed formation of which is best illustrated in Fig. 5. This sliding bolt is made piece, either cast or welded, and compri a boltplate 19 having at one end a 1.01%?

head 20, a pair of spaced parallel slots? 21.

and 21 adjacent thereto, a lug 22, alug 23 spaced therefrom, both of said of the same height as the head 20, and. a lateral extension 24 having a post 25 proj ecting inthe same direction as the said lugs. This bolt is further formed with a longitudinal slot 26 between and with an opening 27- between the top ends thereof.

preferably of one lugs being the lugs and 23,

AS best-shown Fig. 6, the cover 15 is formed with a pair of spaced posts 28 and 28 made preferably square and located to project through the slots '21 and 21 respectively, (Fi substantial y of the same height as the head 20. Also formed integrally with the cover 15 are two rectangular lugs 29 and 30, of the same thickness as bolt-plate 19, the same with respect to their lengt s lying in plains at right-angles toeach other, the purpose of 1 and 2). the said posts being g the arms of the T-shaped head serving to impinge against the top edge of the upper wall of the slot 26 whereby to limit the downward movement of the tumbler, while the lug 33 is designed to engage the underside of the lower wall of said slot to limit the upward movement of the tumbler, it being observed also in this connection that the lug 33 impinges against one end of the lug 30 when the sliding bolt is in-unlocked position (Fig. 1), and against the opposite end thereof when in locked position (Fig. 2).

To maintain the tumbler 31 in its seat between the lugs 22 and 23 and with its lug 33 normally bearing against the lower edge of the plate 19, I provide a push spring 35, one end of which engages and enclrcles the post 25, while the other end is in constant yielding engagement with the lug 33. In

' this manner, I seat and maintain the tumbler 31 betweemthe lugs 22 and 23 of the sliding bolt, so that the tumbler will move horizontally with the horizontal movement of the bolt and yet adapted to have a vertical movement independent. thereof.

To safeguard the, sliding bolt 19 against being picked, I provide a pair of short studs or auxiliary bolts 36 and 36, each of which slides in a hole or aperture provided for' the purpose in vertical alinement through the top and bottom portion of the head 20. Each of these auxiliary bolts has one end cut away and provided with a transverse aperture as 37 to enable it to be pivoted upon a stud as 38, which is formed on' the flattened end of each of the levers as 39 and 39. Each of these levers have their opposite ends pivoted by screws as 40 to the face of the plate 19, it being observed that these levers are pivoted between the posts 2-8 On their confronting sides approximately intermediate their lengths, each of the levers 39 is provided with a cavity as 41 for the together, drawing into the head 20 the auxiliary bolts 36 and 36'. It will be seen that when the sliding bolt 19 is extended into a bolt engaging plate as 43, the auxiliary bolts 36 and 36" will be projected beyond the top and bottom edges, respectively, of said bolt engaging plate, thereby providing a stronger locking acting and effectually safeguarding the lock against being picked.

Above the tumbler 31, both the inclosingbox portion of the case 10 and the cover 15 is provided with an outer barrel 44, in which revolves a key-barrel 45. These said barrels may consist of any well-known or suit able barrel types by which a lock is prevented from being operated except by its proper key. To the inner end of the keybarrel and turnable therewith, is fixed a dog or cam 46, the free end of which is adapted to impinge the tumbler 31 to force it downwardly, and then to engage the upper end of either lug 22 or 23, accordingly as the bolt is to be moved outwardly or inwardly, when the lock key is manipulated. Thus, when the sliding bolt 19 is tobe extended to lock the door the dog 46, thrusting the tumbler downwardly, disengage; the lug 33 with the lug 30, sothat the sliding bolt can be moved forwardly, which is accomplished by the dog engaging the upper end of the lug 22. Similarly, when the bolt is to be withdrawn and the door unlocked, the dog, in forcing the tumbler downwardly, disengages thelug33 with the opposite end of the lug 30, so that upon engaging the upper end ofthe lug 23,

it can reverse the movement of the bolt as the key is turned. It will be understood that each of the revolvingbarrels 45 is provided with a dog 46 so that the lock can be operated either from the outside or the inside as re uired.

[he barrels 44 are each preferably threaded into the inclosing-box 10 and the cover 15 respectively. In order to lock them in this position, the said casing parts are each provided on the inner side with an enlarged or bearing portion 47 extending from the periphery of the outer barrel to the frontal plate 12. These bearings are suitably threaded for the reception of a screw as 48, the point of which is cut V-shaped to engage a correspondingly shaped notch as 49,

provided in the periphery of said outer barrel, the said screws also extending through appropriate eyes in the plate 12 and thereby assisting in securing the plate to said casing parts. Thus the outer barrels are locked in the casing so that they can not be removed from the outside.

From the foregoing description, taken in connection with the accompanying drawings, it will be seen that my improved safety lock contains very few parts, that it can be quickly and readily assembled without any special experience, that when applied to'the door as illustrated in Fig, 3, the barrels 4.4: and 45 are the only exposed portions of the look when the door is closed, and also that when the bolt is extended, the auxiliary bolts provide an additional safeguard against the lock being picked.

Having thus described my invention, what I claim is 1. In a safety look, a casing, a sliding bolt therein having a hollow head end With alined openings through the walls thereof, spring actuated auxiliary bolts arranged in the hollow head and adapted to project through said openings when the bolt is in locked position, means connected with the auxiliary bolts to withdraw them into the head when the bolt is moved toward unlocked position, a tumbler element seated in the sliding bolt and movable therewith, said tumbler being adapted to have independent movement, a stop rigid with the casing to lock the tumbler with the sliding bolt when the latter is in either locked or unlocked position, resilient means carried by the sliding bolt for maintaining the tumbler normally in engagement with the stop, and means operable by a key to first disengage the tumbler with its stop and then to move the sliding bolt into either locked or unlocked position.

2. ln a safety lock, a main bolt arranged for movement into and out of locked position, said bolt having a hollow head end with alined openings through the walls thereof, a pair of auxiliary bolts arranged in the hollow head in alinement with the openings, spring actuated arms pivoted to the main bolt and to said auxiliary'bolts whereby normally to project the latter through said openings, means to force them together withdrawing the auxiliary bolts into the hollow head when the main bolt is moved out of locked position, a seat formed in the sliding bolt, a tumbler arranged in the seat, said tumbler being capable f independent movement relatively with respect to its movement with the main. bolt, a fixed stop to lock the tumbler with the main bolt when the latter is in either locked or unlocked position, resilient means carried by the sliding bolt and bearing constantly against the tumbler to maintain the same against the fixed stop, and means carried by a revoluble key barrel to impinge first upon the tumbler to release it and then upon the main bolt to move the same into and out of locked position.

3. In a safety lock, in combination, a casing, a main bolt formed with a hollow head end with alined openings through the walls thereof, with parallel longitudinal slots at the rear of said hollow head, and with a pair of spaced projections at the rear of said slots to form a seat, a tumbler arranged in the seat and capable of having movement independent of its movement with the main bolt, pins rigid with the easing projecting through said slots, lugs rigid with the casing to engage and guide the main bolt and tumbler, one of which is a stop to lock the tumbler with the main bolt when the latter is in either locked or unlocked position, resilient means carried by the main bolt and'constantly bearing against said tumbler to maintain the latter normally locked against said fixed lug, means carried by a key operated barrel to disengage said tumbler with said fixed lug when the main bolt is in either locked or unlocked position, said means also being adapted to engage said seat projectionswhereby to move the main bolt into either locked or unlocked position, a pair of auxiliary bolts arranged in the hollow head and a pair of spring pressed levers pivotally connected with said auxiliary bolts to hold the same normally projecting through said head openings, said levers bearing against the said casing pins whereby automatically to retract the auxiliary bolts within the head as the sliding bolt is moved toward unlocked position.

4. In a safety lock, the combination of a bolt arranged to slide into and out of locked position, and means for sliding it, said bolt being formed with a hollow head having alined openings in the walls thereof, a pair of arms pivoted to the boltand extending into the hollow head, an auxiliary bolt operatively connected to each arm in alinement with an opening in the hollow head, resilient means between the arms to force the same normally apart and to project the auxiliary bolts through the openings, and rigid means arranged to engage the arms forcing them together against the tension of the resilient means and retracting the auxiliary bolts conjunctively with the movement of the sliding bolt towardunlocked position.

5. In a safety lock, the combination with complementary casing sections, one of which is formed with projecting pins on its inner side, a main bolt formed with a pair of iongitudinal slots to engage and slide upon the pins, said bolt being further formed with a hollow head end having alined openings through the walls thereof, a pair of arms pivoted to the main bolt between the pins and extending into the hollow head, an auxiliary bolt oliierat-ively connected with each arm in alinement with an opening in the hollow head, a push spring between the arms to force the same normally apart against the pins and adapted to force the auxiliary bolts through their respective openings when the bolt is in locked position, and adapted to yield under the action of the casing pins upon the arms to retract the auxiliary bolts when the 'main bolt is moved toward. uulocked position, and means combined with llfl Mid

the main bolt and operable by a selective key to move the main bolt into and out of locked position.

6. In a safety lock, the combination with complementary casing sections, one of which is formed with a pair of projecting pins on its inner side, a main bolt formed with a pair of longitudinal slots and movable upon said pins, said bolt being formed with a hollow head end having a pair of alined openings through the walls thereof, a pair of arms pivoted upon the main bolt between said pins and extending into the hollow head, an auxiliary bolt operatively connected to each arm in alinement with an opening in the hollow head, apush spring disposed between said arms intermediate their'lengths to normally maintain the same apart projecting the auxiliary bolts through their respective openings, the said pins being adapted to bear upon said arms against the tension of said spring to retract the auxiliary bolts Lasdpo when the main bolt is moved toward un locked position, a tumbler seated in the main bolt at the rear of said pivoted arms, said tumbler being capable of movement independent of its movement with the main bolt, means rigid with a casing section to engage said tumbler and lock it with the main bolt when the'latter is in either locked or unlocked position, a spring carried by the main bolt and bearing against the tumbler to maintain the same normally in locked post tion betwe'n said rigid means and said mai bolt, and means combined with a revoluble key barrel to impinge first upon the tumbler to disengage the same from locked position and then upon the main bolt whereby to move the same into or out of locked position accordingly as the barrel is turned.

In testimony whereof, I have signed my name to this specification.

NIKOLAUS WAING. 

